ANSWERS SURE A+
✔✔· In California, which local or state agencies must be notified on abatement greater
than 100 sq. ft? - ✔✔DOT
AQMD
DOSH
✔✔· What did ASHARA do? - ✔✔It extended nearly all requirements of AHERA
(training, O&M etc) to commercial and public buildings
✔✔· When are you required to register for DOSH? - ✔✔One time regardless of amount
being removed
Yearly if over 100 sq ft
At least 24 hours in advance
✔✔· Who reviews AHERA O&M plans? - ✔✔Office of Local Assistance
✔✔· What on site proof must be available on all jobs? - ✔✔Contractor's license
Cal OSHA Registration #
Surveys
Notifications
✔✔· According to AHERA, who is responsible for keeping a copy of the O&M plans? -
✔✔LEA
✔✔· How many days must the O&M be implemented after the inspection? - ✔✔30
✔✔· How many years does the owner of a demo or reno company keep records? - ✔✔3
✔✔· How are employees notified when the air monitoring results come back above the
PEL and EL? - ✔✔In writing in a central location within 5 days
, Must include a corrective action
✔✔· When is a medical exam not required? - ✔✔When adequate records show an
exam in the last 12 months
✔✔· How long does an employer keep training records? - ✔✔1 year
✔✔· Litters of air per 25 mm cassette? - ✔✔1200 Liters
✔✔· What is the TEM clearance level? - ✔✔<70 s/mm2
✔✔· How long does the negative air machine need to be on once abatement is
complete? - ✔✔4 hours
✔✔· Sampling scheme for TEM Clearance? - ✔✔5 in
5 out
3 blanks
✔✔· How many days must the employer inform the building owner of the air monitoring
results? - ✔✔10 days from completion
✔✔· OSHA reference method requires how many blanks per 10 samples? - ✔✔2
✔✔· What is prevalent air sampling? - ✔✔Estimates existing fiber concentration prior to
abatement
✔✔· What is the PCM air clearance level? - ✔✔0.01 f/cc
✔✔· What is the OSHA 160 liters per minute? - ✔✔25-2400 liters
✔✔· What is the 7400 Method liters per minute? - ✔✔400-4000 liters
✔✔· How much carbon monoxide does grade D air have? - ✔✔10 ppm or less
✔✔· Air samples required per cubic feet? - ✔✔1 for every 50,000
✔✔· What is the PEL? - ✔✔0.1 f/cc for 8 hr. Time Weighted Average
✔✔· What is the EL? - ✔✔1.0 f/cc for 30 min Time Weighted Average
✔✔· When exceeding the PEL, how many months must sample take place by? - ✔✔6
months